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Spectral purity of Baofeng radios

One topic that is fascinating to watch rolling round on Facebook is the reactions of the crowd who hate the inexpensively made Baofeng radios. People talk about how you will set off all the repeaters in range on…

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Interconnectivity where it is not expected

I was actively involved in packet radio here in Canberra in the 80’s and 90’s. Great stuff, and a ton of fun. We had a core group of probably 10 -15 people here who were active. I did…

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Evolution of a simple PCB for Eurorack power control

As it would turn out, Amateur radio is a hobby pursued by many people who are interested in Electronics. I have always had a fascination for all things electrical in nature, and have spent my whole life making gadgets.

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Using the USB ATTiny 85 boards

I have always loved the Arduino universe. I started originally with Microchip PIC devices, but once I discovered Arduino, my world changed :-). For the last year or so, I have been playing with a tiny board that…

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The world of Raspberry Pi Clusters

(or – how to chuck a heap of computers into a small space… to do SDR functions.) So – One of my fellow Ham operators here in Canberra, Wade (VK1MIC) showed me a photo of his cluster of…

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QRP Labs Ultimate3S

Sooooo. A long time ago I discovered that I enjoyed using the Weak Signal Propagation Reporter (WSPR) to see how open various bands were during the day. I even went to various parks at lunchtime to set up…

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G90 and JT8

Today I worked on getting JT8 working with my G90. It was a bit of a journey, so I thought I would add it to my blog for later use. Rig control: The G90 CAT interface is a…

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Ham Radio Delux and the Xiegu G90

I am enjoying the G90 that I purchased the other week, and now that work is over for the year I have time to start getting it ready for digital modes. One thing that infuriates my enormously is…

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Xiegu G90

I recently gave myself a small Christmas gift of a Xiegu G90. I have been eyeing them off for a number of months, and a large client order associated with one of my businesses provided the funds to…

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A GPS based Shack Clock

I recently finished a small Arduino based clock that uses an inexpensive GP module coupled with a 2 line LCD display.  I used the template from my QCX case as the basis for the design of the enclosure….

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